Primordial trispectrum and orthogonal non-Gaussianities
Primordial trispectrum and orthogonal non-Gaussianities
Primordial trispectrum and orthogonal non-Gaussianities
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Motivations / message• Data analysis of the <strong>trispectrum</strong> has received much lessattention than the bispectrum: only• Until recently, no counterpart to <strong>orthogonal</strong> bispectrum• Generation of ‘<strong>orthogonal</strong>-type’ trispectra in asignificant fraction of parameter space in the simplesttheoretical context• Use as a diagnostic for the appearance of a large<strong>orthogonal</strong> bispectrum (pre-Planck)Renaux-Petel,1302.6978<strong>and</strong>1303.2618
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